Joe Wilcox (Sillysoft)

Joe Wilcox, alias Sillysoft (sometimes spelled "Sillysft"), was a mapper and programmer involved in the Doom community in the mid-1990s, and was the founder of and lead engineer at Simply Silly Software. His company became a contractor for multiple projects under  publisher WizardWorks.

1994

 * Xmas Doom
 * MAP03
 * HFDE (A Hack For A Famous Doom Editor), DEU modification
 * HFDE/2 ( at the Doomworld forums), DEU modification
 * Doom/Master

1995

 * HFDE/h
 * H2H-Xmas
 * IDE (iD Edit), DEU modification
 * IDE (iD Edit), DEU modification

Commercial works

 * Doom/Master (also later known as the D! frontend)
 * D!ZONE
 * H!ZONE
 * Duke!ZONE
 * Duke: Nuclear Winter expansion
 * : Deadly Kiss expansion (canceled)

Trivia
Joe is recorded by PC Zone journalist as having been a semi-finalist contestant in the Deathmatch '95 tournament, present in the backrooms of the Judgment Day party in Redmond, Washington.